EP0210346A2 - Emballage - Google Patents

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Publication number
EP0210346A2
EP0210346A2 EP86105568A EP86105568A EP0210346A2 EP 0210346 A2 EP0210346 A2 EP 0210346A2 EP 86105568 A EP86105568 A EP 86105568A EP 86105568 A EP86105568 A EP 86105568A EP 0210346 A2 EP0210346 A2 EP 0210346A2
Authority
EP
European Patent Office
Prior art keywords
liner
packaging assembly
bag
assembly according
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86105568A
Other languages
German (de)
English (en)
Other versions
EP0210346A3 (fr
Inventor
Laurie G. Mykleby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CVP Systems International Inc
CVP Systems Inc
Original Assignee
CVP Systems International Inc
CVP Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CVP Systems International Inc, CVP Systems Inc filed Critical CVP Systems International Inc
Publication of EP0210346A2 publication Critical patent/EP0210346A2/fr
Publication of EP0210346A3 publication Critical patent/EP0210346A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/003—Articles enclosed in rigid or semi-rigid containers, the whole being wrapped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames

Definitions

  • This invention relates to a packaging assembly wherein a protective liner is affixed to the interior surface of a flexible bag.
  • the packaging assembly folds flat to provide efficient storage and transport and its unitary construction facilitates simplified assembly and use.
  • the packaging device of this invention is especially suitable for use to provide sealable packaging of sharp or pointed objects, such as ribs or loins, in the food packaging industry.
  • the food packaging industry is continually striving to develop improved packaging to preserve the freshness of food items. Maintaining freshness is, of course, particularly important for perishable food items such an meat, poultry, fish, produce, dairy products, and specialty items. It is crucial, from a public health standpoint, that food packaging is effective to retain freshness and prevent spoilage of food items.
  • One common method of packaging food products involves placing the portion to be packaged on a shallow tray with upturned edges, enclosing the food and the tray with clear flexible sheet wrapping material and sealing the ends of the sheet wrapping material underneath the tray.
  • This packaging method has several disadvantages.
  • the clear flexible sheet wrapping material is easily punctured by bones, stems or other sharp protrusions from food items.
  • air, macroscopic and microscopic contamination come into contact with the food item and accelerate spoilage.
  • any residual matter, particularly fluids may leak from the package.
  • this method of packaging is messy and inefficient. It does not satisfactorily preserve freshness, nor does it prevent spoilage of food products.
  • Packaging techniques presently utilized in conjunction with vacuum-type or modified atmosphere packaging systems are inefficient and labor intensive.
  • a coated paperboard shield box or tray must be assembled, the nhield box must be placed in a flexible, sealable bag, product may then be loaded into the shield box and the packaging is processed, sealed, and prepared for shipment by being placed in a corrugated container suitable for shipping.
  • the inner box or shield box must have sufficient strength and rigidity to prevent sharp objects from protruding through the walls or bottom. It must be sufficiently stiff so that it does not collapse as it is being loaded with product.
  • the shield box is foldable for storage and transport, but a foldable box is likely to collapse during product loading, or to separate from the bag allowing product to fall between the exterior of the shield box and the interior of the bag. Excess portions of the bag may become bunched underneath the shield box, making subsequent vacuum application and sealing very difficult, and increasing the risk of puncturing the bag.
  • the present invention overcomes many of the deficiencies of the prior art packaging assemblies and provides a simple, cost efficient and very effective single unit packaging ansembly.
  • the packaging assembly of this invention in especially suitable for packaging products having irregular edges or sharp protrusions which might project through a plastic sheet wrapping.
  • the present invention provides a single unit packaging assembly comprising a protective liner affixed to the interior surface of a flexible bag, preferably a sealable bag.
  • the packaging assembly folds flat for simple and economical storage and transport and may be assembled with very little effort by simply opening the bag at the open top portion.
  • the interior liner is arranged to form a three-dimensional box-shaped receptacle.
  • the interior liner is jointed at strategic locations so that the packaging assembly may be stored flat, and yet forms a generally rectangular box-shaped receptacle when opened.
  • the protective liner when opened, comprises two side walls having substantially the same dimensions arranged parallel to each other, a bottom wall which extends continuously between the two side walls, and two end walls forming a box closed on five sides and open at the top. Joints are provided so that the liner may be folded flat, may open to form a box-shaped structure, and is quickly and conveniently converted, from one form to the other.
  • joint means an intersection of two walls or wall portions which are pivotable with respect to one another along the longitudinal axis of the intersection, including the intersection of two separated walls or wall portions defined by an open space, a fold, a score, a perforation, a hinge, or any other means, whereby wall portions of an integral wall or adjacrnt walls are pivotable with respect to each other.
  • a joint is provided along a central portion of the length of the bottom wall extending from the internection of the bottom wall with each end wall.
  • a joint is also provided along a central portion of each end wall and extending from the bottom wall to the top of the box when the liner is in the open, loading position, at each intersection of an end wall with a side wall, at each intersection of an end wall with the bottom wall, and at each intersection of a side wall with the bottom wall.
  • the liner may comprise any rigid or semi-rigid material which is puncture-resistant to sharp objects.
  • the liner preferably comprises a lightweight plastic coated paperboard.
  • a protective liner constructed in this manner and used in the packaging assembly of this invention requires less material than a conventional foldable box. Additional strength may be obtained by providing doubled liner material in any critical locations.
  • the flexible bag may comprise any of a number of suitable sheet materials which are well known to the art, such as paper products and preferably sheet heat sealable polymeric materials such as polyethylene or polypropylene by themselves or co-extrusions or laminated to materials nuch as nylon or polyester.
  • the bag preferably comprises continuous extruded tubular sheet material which is sealed along one end to form the bottom of the bag.
  • the bag may comprise two separate sheets of flexible material which have been sealed along three sides to form a sealed bottom and two sealed sides, or a continuous sheet folded over itself and sealed along two side seams.
  • the width dimensions of the bag are slightly larger than the flat folded dimensions of the protective liner, and the open top of the bag extends well beyond the top opening of the protective liner.
  • the bag must be slightly wider than the protective liner to provide that the open portion of the bag extending beyond the top opening of the liner is larger than the liner top opening so that the flexible bag materials may be easily folded down outside the top edges of the liner. It is desirable for the open end of the bag to extend beyond the top opening of the protective liner to provide sufficient packaging material for convenient evacuation of air or provision of modified atmosphere and for ease of sealing. 'If the exterior bag were coextensive with the liner, it would be very difficult to fold the top of the bag over the outside walls of the liner for product packing purposes.
  • the protective liner is positioned in the bottom of the bag so that the joint in the central portion of the bottom wall rests adjacent the bottom of the bag.
  • the liner is centrally positioned within the bag so that the side excess portions of the bag are evenly distributed with respect to the liner.
  • the liner is affixed to the flexible bag, preferably along an upper portion of the liner side and end walls. Attachment of the liner to the bag along an upper portion of the liner side walls and end walls provides support for the liner-walls when the packaging assembly is in the open, packing position, and prevents product from falling between the bag and the liner during packing. Additional points of attachment may be provided to more securely affix the liner to the flexible bag.
  • Attachment of the liner to the bag also aids in converting the liner bag assembly from a flat folded condition to its box shape for loading product and aids in folding the open top portion of the bag over the outside of the liner to form a loading opening. It is preferred that the liner is affixed to the bag additionally along a lower portion of the liner side and end walls to provide further support for the liner assembled in the packing position and to facilitate simple assembly of the packaging device.
  • the sealing lines preferably continue to seal the inside faces of the flexible bag beyond the liner extending to the edges of the bag.
  • the packaging assembly of the present invention comprises a flexible bag 20 and an interior liner 10.
  • Liner 10 comprises two side walls, 11 and 12, having the same dimensions, a bottom wall 17, and two end walls 13 and 14, having the same dimensions.
  • Side walls 11, 12, and end walls 13, 14, respectively, are substantially parallel to each other and at substantially right angles to bottom wall 17 when the packaging assembly is in the open, loading position forming a generally rectangular, open top box as shown in Fig. 2.
  • liner 10 is preferably generally rectangular, but widely different dimensions may be preferred for different packaging applications.
  • liner 10 may comprise a shallow tray or a deep box, and it may be long and narrow, or it may be square.
  • the packaging assembly of this invention may be constructed in any size appropriate for the desired product from individual servings to packaging of bulk products. It is especially preferred that the liner box in loading position be about 20 to about 40 inches long by about 8 to about 20 inches wide by about 5 to about 20 inches high, to accommodate bulk shipments, such as meat and fruits or vegetables.
  • Joints are provided in the liner to enable the packaging assembly to be folded flat for storage, and to be easily converted to the open, loading position.
  • the term "joint" includes the intersection of two wall portions defined by a space, a fold, a score, a perforation, a hinge, or any other means whereby two wall portions or walls are pivotable with respect to each other.
  • joint 33 is in the central portion of end walls 13, 14, forming end portions 15 and 16. End portions 15, 16 may preferably be integral with and form an extension of the adjacent side wall 11, 12, respectively.
  • Joints 32 and 34 are provided at the intersection of each end portion with the adjacent side wall, and joint 35 is provided at the intersection of each end wall with bottom wall 17.
  • Bottom wall 17 may preferably be integral with one or both of the side walls, and joints 31 and 37 are provided at the intersections of side walls 12, 11, respectively, with bottom wall 17 for convenient conversion of the packaging assembly in its folded, flat position to the open, loading position.
  • Joint 36 is provided along the central portion of bottom wall 17 for its entire length, so that bottom wall 17 may be folded along joint 36 for flat storage.
  • Protective liner 10 may comprise any material which is rigid or semi-rigid and resistant to puncture.
  • the protective liner preferably comprises a lightweight paperboard or plastic coated paperboard, but other materials which are well known to the art are suitable.
  • a lighter weight liner material may be used with the packaging assembly of this invention than is used with prior art packaging because sealing the liner to the outer bag provides additional structural support for the liner, especially in its open, loading position. Also, with the liner fastened to the bag, less material is used for the liner than a conventional box since structural overlap or adhering flaps are not necessary.
  • protective liner 10 comprises a single, unitary paperboard short. End portions 16 are formed as a unitary extension of side wall 12 and folded along joint 32. Likewise, end portions 15 are formed as a unitary extension of side wall 11 and folded along joint 34. Side walls 11, 12 are formed as a unitary extension of bottom wall 17 and folded along joints 37, 31, respectively. Joint 33 formed at the intersection of end portions 15, 16 and joint 35 formed at the intersection of end walls 13, 14 with bottom wall 17 are open because they are formed at the intersection of two non-continuous walls or wall portions.
  • Fig. 1 shows this embodiment of protective liner 10, folded along joint 36 at the mid-line of bottom wall 17. Protective liner 10 thus requires less material than a foldable box of the same dimensions would require.
  • Outer bag 20 comprises a flexible material which is heavy enough to resist puncture by liner 10 and sturdy enough to withstand vacuum packaging operations. Outer bag 20 is preferably clear for visual observation of the contents, but may comprise a translucent or opaque material. Suitable materials are well known to the art as disclosed above. Outer bag 20 preferably comprises a single, continuous sheet tube formed by extrusion and sealed at bottom bag seal 25 to form an open ended bag. The bag is folded flat along side fold lines 28 and 29. Alternatively, outer bag 20 may comprise two separate sheets sealed along the entire length of their bottom and side edges, or a single sheet folded over itself and sealed along two side edges. Bag 20 extends any desired distance dependent upon the contents and method of packaging beyond the top of protective liner 10. The bag is open along its top edge 21 for loading and treating.
  • Protective liner 10 may be affixed to the interior surface of bag 20 along an upper portion of its sides and ends along upper attachment seal 23. Any suitable means for affixing protective liner 10 to bag 20 may be used, such as adhesive or sealing means. Preferred is heat sealing of a heat sealable bag to a plastic coated liner by methods well known to the art.
  • the protective liner may be affixed to the outer bag by means of a'continuous seal, or by means of a series of skip seals, as known to the art. It is preferred that the seal affixing the bag to the upper portion of the liner sides and end be continuous to prevent materials from entering the space between the liner and the bag. Additional points of attachment may be provided to more securely affix liner 10 to outer bag 20.
  • an additional point of attachment is provided along a lower portion of liner sides and ends at lower package seal 24 to provide additional structural stability to the packaging assembly. It is also preferred that outer bag 20 be affixed to liner 10 in the region of liner bottom wall 17 adjacent the bottom of bag 20. These additional attachments between liner 10 and bag 20 improve ease of folding the packaging assembly flat and opening the packaging assembly for product loading and handling.
  • outer bag 20 is slightly wider than protective liner 10 in the folded flat position.
  • Liner 10 is centrally positioned within bag 20 so that bag extensions 22 are formed adjoining the central portion of each end wall.
  • Attachment seals 23 and 24 are preferably extended to seal bag extensions 22 together, as shown in Figs. 1 and 3, but this is not required. It is preferred that upper attachment seal 23 extend to the edges of bag 20 to prevent foreign materials from entering between liner 10 and bag 20.
  • Bag extensions 22 preferably protrude from each end wall a distance corresponding to about 10 percent to about 50 percent, preferably about 20 to about 30 percent, the width of end wall 13 or 14 to provide sufficient larger upper portion of the bag, as compared to the liner, so that the upper portion of the bag may be readily folded down around the outside of the packaging assembly, as shown in Fig. 2.
  • Bag corner portions 27 extend from end walls 13, 14 and may be folded against the packaging assembly when it is loaded into a corrugated or other container for shipping.
  • top open edge 21 of bag 20 may be extended as shown in Fig. 3 and may be subjected to desired additional operations, such as vacuum packing or modified atmosphere packing, prior to closing the packaging assembly.
  • the open end of bag 20 may be sealed by any suitable means, such as by heat, as shown by top bag seal 26.
  • a separate rigid or semi-rigid cover may be inserted in the top open edge 21 of bag 20 to cover the packed products.
  • a top may also extend upwardly from liner sides 11 and 12 in a jointed fashion and be folded into a closed position. The upper portion of the bag may be folded over and tied or sealed in any fashion desired or the folded over bag containing the product filled box-type liner may be readily packaged into a corrugated or other container for shipment.
  • the packaging assembly of this invention is especially well suited to vacuum packing or modified atmosphere packing of food products having sharp protruding edges, such as wholesale meat cuts, including particularly, full loins, ribs and the like, as well as nuts, fruits, vegetables, and other foodstuffs.
  • the packaging assembly of this invention may also be advantageously used for evacuated or modified atmosphere packaging of fragile materials, such as fruits and vegetables to prevent damaging by objects entering the package from the exterior.
  • the packaging assembly of this invention permits use of lighter materials than used in former packaging of similar goods and provides considerable economies in time afforded due to its customized nature and ease of use, particularly in bulk packaging when using modified atmosphere techniques.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Buffer Packaging (AREA)
EP86105568A 1985-04-22 1986-04-22 Emballage Withdrawn EP0210346A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US725926 1985-04-22
US06/725,926 US4622693A (en) 1985-04-22 1985-04-22 Collapsible bag and liner combination

Publications (2)

Publication Number Publication Date
EP0210346A2 true EP0210346A2 (fr) 1987-02-04
EP0210346A3 EP0210346A3 (fr) 1988-08-03

Family

ID=24916496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105568A Withdrawn EP0210346A3 (fr) 1985-04-22 1986-04-22 Emballage

Country Status (5)

Country Link
US (1) US4622693A (fr)
EP (1) EP0210346A3 (fr)
AU (1) AU5607386A (fr)
CA (1) CA1230316A (fr)
GB (1) GB2174071A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0509600A1 (fr) * 1991-04-12 1992-10-21 Antonius Petrus Staats Procédé d'emballage de produits

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AU597472B2 (en) * 1986-08-30 1990-05-31 Lb Europe Limited Device facilitating filling and unfolding of bag within outer casing
FR2611163B1 (fr) * 1987-02-19 1989-02-10 Vittel Eaux Min Dispositif pour la realisation d'un sachet en matiere synthetique souple; procede pour son obtention; sachet ainsi obtenu
US4890652A (en) * 1987-03-23 1990-01-02 Hoerner L Jeanne Trash bag support sleeve
US5094547A (en) * 1988-08-25 1992-03-10 Graham Mark S Integrated container for meat products
US5028147A (en) * 1988-08-25 1991-07-02 Bell Paper Company Integrated container for meat products
US4903859B1 (en) * 1988-09-23 2000-04-18 Better Agricultural Goals Inc Container for flowable materials
US4897982A (en) * 1988-10-17 1990-02-06 Fulflex International Co. Plastic lined packaging
DE3915899A1 (de) * 1989-05-16 1990-11-22 Edelmann Carl Gmbh Verpackungsbehaelter aus karton mit innenbeutel zur aufnahme von fluessigkeiten
US4973327A (en) * 1989-11-01 1990-11-27 Cryopharm Blood bag for lyophilization
GB2246759B (en) * 1990-08-09 1994-08-31 Ballot Services Ltd Collapsible ballot box
US5230689A (en) * 1991-08-16 1993-07-27 B.A.G. Corporation Method of making stabilized flexible container for flowable materials
US5158369A (en) * 1991-08-16 1992-10-27 B.A.G. Corporation Stabilized flexible container for flowable materials
US5165568A (en) * 1991-11-29 1992-11-24 Rock-Tenn Company Container with external resealing bag
CA2128858A1 (fr) 1993-10-28 1995-04-29 Douglas N. Curry Interpolation lineaire bidimensionnelle de pentes pour une imprimante
FR2777548B1 (fr) * 1998-04-21 2000-07-07 Danisco Flexible France Feuille d'emballage et sachet d'emballage la comportant
US6210037B1 (en) 1999-01-26 2001-04-03 Daniel M. Brandon, Jr. Back pack liner
US6431435B1 (en) * 1999-07-13 2002-08-13 Rmc Jones Llc Collapsible bulk material container
US6932266B2 (en) * 1999-07-13 2005-08-23 Rmc Jones Llc Collapsible bulk material container
JP4194229B2 (ja) * 2000-03-07 2008-12-10 株式会社細川洋行 再閉自在包装袋およびその製造方法
WO2002085749A1 (fr) * 2001-04-20 2002-10-31 Courier Cool Ltd Recipient de transport pliable
AU2003215115A1 (en) * 2002-02-07 2003-09-02 Scholle Corporation An internal brace for a standup flexible container
US20040226858A1 (en) * 2003-05-12 2004-11-18 Jin-Chul Jhung Display package
US7094194B2 (en) * 2004-02-24 2006-08-22 Smurfit-Stone Container Enterprises, Inc. Reinforced bulk bin and methods for making same
US20060191985A1 (en) * 2005-02-28 2006-08-31 Norcom John D Flexi-resilient to rigid container including vertically hinged sides
US8220651B2 (en) * 2005-02-28 2012-07-17 The Procter & Gamble Company Container including removable integral upper portion
US20060191929A1 (en) * 2005-02-28 2006-08-31 Berg Charles J Jr Flexi-resilient to rigid container including horizontally hinged sides
EP2485954B1 (fr) * 2009-10-08 2017-12-20 Illinois Tool Works Inc. Carton pourvu d'une étiquette fermoir refermable en plastique
EP3590602A1 (fr) * 2016-04-27 2020-01-08 Roche Diagnostics GmbH Unité de sac de déchets solides et analyseur comprenant un sac de déchets solides
BR102016021184A2 (pt) * 2016-09-14 2018-03-27 Tales Papp Yuri embalagem laminada flexível auto-sustentável
US10071842B2 (en) 2016-12-29 2018-09-11 Rmc Jones Llc Apparatus, kit and method of assembly of a collapsible bulk material container
US10065782B1 (en) 2017-03-02 2018-09-04 Rmc Jones Llc Bulk material container, sleeve and method of assembly
US10745187B1 (en) 2017-04-28 2020-08-18 TemperPack Technologies, Inc. Expandable shipping container
US10752397B2 (en) 2018-12-12 2020-08-25 Rmc Jones Llc Collapsible bulk material sleeve and container
US10526111B1 (en) 2019-02-12 2020-01-07 Rmc Jones Llc Collapsible bulk material container
US20210070007A1 (en) * 2019-09-06 2021-03-11 Innovation Fiber, LLC Compostable Laminated Food Tray

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FR678181A (fr) * 1928-06-16 1930-03-19 Marchfeld Geb Sacs en papier spécialement destinés à l'emballage du charbon
FR45847E (fr) * 1935-02-18 1935-12-09 Prod Cellulosiques Sac en pellicule transparente, surtout cellulosique, muni d'un renforcement
US3679048A (en) * 1970-04-01 1972-07-25 Masaaki Fujio Wrapper with tear tabs of heat-shrinking synthetic resin film
GB1468345A (en) * 1974-05-15 1977-03-23 Learoyd Paper Mills Ltd Container for merchandise

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR678181A (fr) * 1928-06-16 1930-03-19 Marchfeld Geb Sacs en papier spécialement destinés à l'emballage du charbon
FR45847E (fr) * 1935-02-18 1935-12-09 Prod Cellulosiques Sac en pellicule transparente, surtout cellulosique, muni d'un renforcement
US3679048A (en) * 1970-04-01 1972-07-25 Masaaki Fujio Wrapper with tear tabs of heat-shrinking synthetic resin film
GB1468345A (en) * 1974-05-15 1977-03-23 Learoyd Paper Mills Ltd Container for merchandise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0509600A1 (fr) * 1991-04-12 1992-10-21 Antonius Petrus Staats Procédé d'emballage de produits

Also Published As

Publication number Publication date
GB8609024D0 (en) 1986-05-21
EP0210346A3 (fr) 1988-08-03
AU5607386A (en) 1986-10-30
GB2174071A (en) 1986-10-29
CA1230316A (fr) 1987-12-15
US4622693A (en) 1986-11-11

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Inventor name: MYKLEBY, LAURIE G.